Android Phone Keeps Disconnecting From WiFi? 10 Fixes

📚 Table of Contents

Why Does My Android Phone Keep Disconnecting From WiFi?
Method 1: Restart Your Phone and Router
Method 2: Forget WiFi Network and Reconnect
Method 3: Disable WiFi Sleep or Keep WiFi On During Sleep
Method 4: Change WiFi Band to 2.4 GHz Only
Method 5: Turn Off MAC Address Randomization
Method 6: Reset Network Settings
Method 7: Disable Bluetooth or Check for Interference
Method 8: Update Phone System and Router Firmware
Method 9: Boot into Safe Mode to Find App Conflicts
Method 10: Factory Reset as Last Resort
Frequently Asked Questions (FAQ)
External Resources (DoFollow)
Related Guides & Hub

You’re watching a video or browsing social media, and suddenly your WiFi disconnects. Then it reconnects by itself, only to drop again a few minutes later. This “Android phone keeps disconnecting from WiFi” problem is incredibly annoying, especially when you’re in the middle of something important. The good news is that this issue is almost always fixable with a few simple adjustments. In this guide, I’ll share 10 proven methods to stop WiFi drops on Samsung, Pixel, Xiaomi, OnePlus, and all other Android devices. Most fixes take less than five minutes.

Why Does My Android Phone Keep Disconnecting From WiFi?

When your Android phone keeps disconnecting from WiFi, several factors could be at play. Common causes include: router signal interference from other electronics or neighboring networks, aggressive power saving features that turn off WiFi when the screen is off, overcrowded WiFi bands (too many devices on the same channel), outdated router firmware or phone system software, MAC address randomization conflicts with certain routers, IP address conflicts on your network, or a faulty router or phone hardware. Let’s go through the solutions from easiest to most advanced.

Method 1: Restart Your Phone and Router

A simple restart clears temporary glitches on both devices.

Step 1: Unplug your router and modem from power. Wait 30 seconds, then plug them back in. Wait 2 minutes for them to fully restart.

Step 2: While waiting, restart your Android phone: Press and hold Power → Restart.

Step 3: After both devices are back online, reconnect to your WiFi.

✅ Expected Result: The phone stays connected to WiFi without disconnecting.

Why This Works: Routers and phones can develop memory leaks or routing table issues. A restart clears these problems.

Method 2: Forget WiFi Network and Reconnect

Sometimes the saved network profile becomes corrupted. Removing it and re-adding it can fix the issue.

Step 1: Go to Settings → Connections → WiFi (or Network & Internet → WiFi).

Step 2: Tap the gear icon next to your WiFi network.

Step 3: Tap “Forget” (or “Delete”).

Step 4: Reconnect by tapping the network again and entering the password.

✅ Expected Result: The phone stays connected consistently after reconnecting.

Why This Works: Corrupted saved network settings can cause frequent disconnections. Recreating the profile resets those settings.

Method 3: Disable WiFi Sleep or Keep WiFi On During Sleep

By default, Android may turn off WiFi when the phone is idle to save battery. This can cause disconnections when you wake the phone.

Step 1: Go to Settings → Connections → WiFi → Advanced (three dots).

Step 2: Look for “Keep WiFi on during sleep” or “WiFi sleep policy.”

Step 3: Change it to “Always” (instead of “Only when plugged in” or “Never”).

Step 4: On some Android versions, this setting is under Developer options. If you don’t see it, go to Settings → About phone → Tap Build number 7 times to enable Developer options → Developer options → “Keep mobile data on” but also check “WiFi scan throttling” — disable it.

✅ Expected Result: WiFi stays connected even when the phone sleeps, eliminating drops when waking.

Why This Works: Aggressive power management is a common reason why an “Android phone keeps disconnecting from WiFi” after the screen turns off.

Method 4: Change WiFi Band to 2.4 GHz Only

5 GHz WiFi offers faster speeds but has shorter range and is more sensitive to interference. Switching to 2.4 GHz can improve stability.

Step 1: Go to Settings → Connections → WiFi.

Step 2: Tap the gear icon next to your network.

Step 3: Tap “Advanced” or “View more.”

Step 4: Change “WiFi frequency band” to “2.4 GHz only.”

Step 5: If the option isn’t there, you may need to change it on your router’s settings page (see external resources).

✅ Expected Result: The connection becomes more stable and stops dropping, especially when moving around.

Why This Works: 2.4 GHz penetrates walls better and is less prone to interference from microwaves or neighboring networks.

Method 5: Turn Off MAC Address Randomization

Android’s MAC randomization feature helps privacy but can confuse some routers, causing repeated disconnections.

Step 1: Go to Settings → Connections → WiFi → Tap the gear icon next to your network.

Step 2: Tap “Advanced” or “MAC address type.”

Step 3: Change from “Randomized MAC” to “Phone MAC” (or “Device MAC”).

Step 4: Reconnect to the network.

✅ Expected Result: The phone maintains a stable connection without frequent re-authentication.

Why This Works: Some routers assign different permissions or IP addresses to each new MAC address. Disabling randomization keeps your device consistent.

Method 6: Reset Network Settings

Resetting network settings returns all WiFi, Bluetooth, and mobile data configurations to default, clearing any hidden conflicts.

Step 1: Go to Settings → General management → Reset (or System → Reset options).

Step 2: Tap “Reset network settings” (or “Reset Wi-Fi, mobile & Bluetooth”).

Step 3: Enter your PIN or password, then confirm.

Step 4: Your phone will restart. Reconnect to your WiFi and test.

✅ Expected Result: After the reset, the phone stays connected without dropping.

⚠️ Note / Warning: Resetting network settings will erase saved WiFi passwords and Bluetooth pairings. Keep your WiFi password handy.

Why This Works: This clears corrupted network configurations that cause instability.

Method 7: Disable Bluetooth or Check for Interference

Bluetooth and WiFi both use the 2.4 GHz frequency and can interfere with each other, causing WiFi drops.

Step 1: Temporarily turn off Bluetooth: Swipe down Quick Settings → Tap Bluetooth icon to disable.

Step 2: Use your phone normally for an hour. If WiFi stops disconnecting, Bluetooth interference was the cause.

Step 3: To use both without drops, enable “WiFi/Bluetooth coexistence” in Developer options (if available).

✅ Expected Result: With Bluetooth off, the WiFi connection remains stable.

Why This Works: Bluetooth and WiFi share the same spectrum. Poor device shielding or older routers can cause conflicts.

Method 8: Update Phone System and Router Firmware

Outdated software on your phone or router can have bugs that cause WiFi disconnections.

Step 1: Check for system updates: Settings → System → Software update → Check for updates. Install any available.

Step 2: Update your router’s firmware: Log into your router’s admin page (usually 192.168.0.1 or 192.168.1.1) and look for firmware update.

Step 3: After updating both, restart your phone and router.

✅ Expected Result: Software patches fix known WiFi stability issues.

Why This Works: Manufacturers release patches for WiFi connectivity problems. Running the latest versions is critical.

Method 9: Boot into Safe Mode to Find App Conflicts

Some third-party apps (like VPNs, firewalls, or WiFi managers) can interfere with your connection.

Step 1: Press and hold Power → Press and hold “Power off” → Tap OK for Safe Mode.

Step 2: In Safe Mode, use your phone for 30 minutes. Does WiFi still disconnect?

Step 3: If it stays connected, a third-party app is the cause. Exit Safe Mode by restarting.

Step 4: Uninstall VPNs, WiFi analyzer apps, or battery saver apps one by one until the problem stops.

✅ Expected Result: Removing the conflicting app restores WiFi stability.

Why This Works: Some apps modify WiFi settings or constantly scan for networks, causing disconnections.

Method 10: Factory Reset as Last Resort

If nothing else works, a factory reset will return your phone to a clean state, removing any deep software corruption.

Step 1: Back up your data: Settings → Google → Backup → Back up now.

Step 2: Go to Settings → System → Reset options → Erase all data (factory reset).

Step 3: Confirm and wait.

Step 4: Set up as a new device and test WiFi before restoring apps.

✅ Expected Result: After factory reset, the phone connects to WiFi without disconnecting.

⚠️ Note / Warning: Factory reset erases everything. Only use this after exhausting other methods.

Why This Works: Persistent software corruption that resists other fixes is eliminated by a clean installation.

Frequently Asked Questions (FAQ)

1. Why does my Android WiFi disconnect when the screen turns off?

This is usually caused by “WiFi sleep” or battery optimization. Go to Settings → Connections → WiFi → Advanced → Keep WiFi on during sleep → Always.

2. Can a VPN cause my Android phone to keep disconnecting from WiFi?

Yes. VPNs can cause connection timeouts or conflicts. Try disconnecting your VPN to test. Also, some VPNs have a “kill switch” that disables WiFi if the VPN drops.

3. How do I change my router’s WiFi channel to avoid interference?

Log into your router’s admin page, go to wireless settings, and change the channel from “Auto” to a specific channel (1, 6, or 11 for 2.4 GHz). Use a WiFi analyzer app to find the least crowded channel.

4. Does the number of connected devices affect WiFi stability?

Yes. Most home routers handle 20–30 devices well. If you have more, the router may drop connections. Consider upgrading to a mesh system or a router with better chipset.

5. Why does my WiFi work fine on other devices but not on my Android phone?

This points to a phone-specific issue. Focus on Methods 2 (forget network), 5 (MAC randomization), and 6 (reset network settings).

6. Can a cracked screen cause WiFi disconnections?

Not directly, but physical damage to the WiFi antenna (located near the top or bottom of the phone) can cause poor reception and drops.

7. How do I know if my router is faulty?

If multiple devices disconnect at the same time, your router may be failing. Test by using your phone as a mobile hotspot. If your phone stays connected to the hotspot without drops, your router is likely the problem.

External Resources (DoFollow Links)

🔗 This guide is part of our Android Troubleshooting Hub

✍️ HowToFixPro Team
Our team has tested these methods on Android 13, 14, and 15 across Samsung Galaxy S23/S24, Pixel 7/8, Xiaomi 13/14, and OnePlus 11/12 devices. Each fix is verified as of June 2026.
Last updated: June 11, 2026